package com.ruoyi.shop.utils;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import com.ruoyi.common.constant.HttpStatus;
import com.ruoyi.shop.common.exception.ShopException;
import com.ruoyi.shop.domain.model.ShopLoginUser;

public class ShopSecurityUtils {
	 /**
     * 用户ID
     **/
    public static Long getMemberId()
    {
        try
        {
            return getLoginUser().getMemberId();
        }
        catch (Exception e)
        {
            throw new ShopException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }


    
    /**
     * 获取用户账户
     **/
    public static String getUsername()
    {
        try
        {
            return getLoginUser().getUsername();
        }
        catch (Exception e)
        {
            throw new ShopException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

	/**
	 * 获取用户
	 **/
	public static ShopLoginUser getLoginUser() {
		try {
			return (ShopLoginUser) getAuthentication().getPrincipal();
		} catch (Exception e) {
			throw new ShopException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
		}
	}

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication()
    {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }
}
